<?php

namespace app\common\logic;

use think\Db;
use think\Loader;

class Sms
{
    private $error;

    public function sendSms($phone)
    {
        if (!Check::checkPhone($phone)) {
            return ['code' => 0, 'errmsg' => '手机格式错误'];
        }
        $oid = 1;
        $apiInfo = $this->getSmsConfig($oid);
        if (empty($apiInfo)) {
            return ['code' => 0, 'errmsg' => '请先后台配置短信信息'];
        }

        if ($apiInfo['provider'] == 1) {//腾讯云
            $result = $this->qcloudsmscode($oid, $apiInfo, $phone);
        } else {//阿里云
            $result = $this->aliSmsSend($oid, $apiInfo, $phone);
        }
        return $result;
    }
    private function aliSmsSend($oid, $apiInfo, $mobile) {
        $code = rand(100000,999999);
        $codename = trim($apiInfo['codename']);
        $param = [$codename => $code];
        $params = array (   //此处作了修改
            'SignName' => trim($apiInfo['signname']),
            'Format' => 'JSON',
            'Version' => '2017-05-25',
            'AccessKeyId' => trim($apiInfo['appid']),
            'SignatureVersion' => '1.0',
            'SignatureMethod' => 'HMAC-SHA1',
            'SignatureNonce' => uniqid (),
            'Timestamp' => gmdate ( 'Y-m-d\TH:i:s\Z' ),
            'Action' => 'SendSms',
            'TemplateCode' => trim($apiInfo['templid']),
            'PhoneNumbers' => $mobile,
            'TemplateParam' => json_encode($param)
        );
        // 计算签名并把签名结果加入请求参数
        $appKey = trim($apiInfo['appkey']);
        $params ['Signature'] = $this->computeSignature ( $params, $appKey);
        // 发送请求（此处作了修改）
        $url = 'http://dysmsapi.aliyuncs.com/?' . http_build_query ( $params );

        $ch = curl_init ();
        curl_setopt ( $ch, CURLOPT_URL, $url );
        curl_setopt ( $ch, CURLOPT_SSL_VERIFYPEER, FALSE );
        curl_setopt ( $ch, CURLOPT_SSL_VERIFYHOST, FALSE );
        curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt ( $ch, CURLOPT_TIMEOUT, 10 );
        $result = curl_exec ( $ch );
        curl_close ( $ch );
        $result = json_decode ( $result, true );
        if (isset ( $result ['Code'] ) && $result['Code'] != 'OK') { //没有发送成功
            $this->error = $this->getErrorMessage ( $result ['Code'] );
            return ['code' => 0, 'errmsg' => $this->error];
        } else {
            cache('VerificationCode|oid='.$oid.'+number='.$mobile, $code, $apiInfo['time']*60);
            return ['code' => 1, 'errmsg' => '发送成功'];
        }
    }

    private function computeSignature($parameters, $accessKeySecret) {
        ksort ( $parameters );
        $canonicalizedQueryString = '';
        foreach ( $parameters as $key => $value ) {
            $canonicalizedQueryString .= '&' . $this->percentEncode ( $key ) . '=' . $this->percentEncode ( $value );
        }
        $stringToSign = 'GET&%2F&' . $this->percentencode ( substr ( $canonicalizedQueryString, 1 ) );
        $signature = base64_encode ( hash_hmac ( 'sha1', $stringToSign, $accessKeySecret . '&', true ) );
        return $signature;
    }
    private function percentEncode($string) {
        $string = urlencode ( $string );
        $string = preg_replace ( '/\+/', '%20', $string );
        $string = preg_replace ( '/\*/', '%2A', $string );
        $string = preg_replace ( '/%7E/', '~', $string );
        return $string;
    }

    private function getErrorMessage($status) {
        // 阿里云的短信 乱八七糟的(其实是用的阿里大于)
        // https://api.alidayu.com/doc2/apiDetail?spm=a3142.7629140.1.19.SmdYoA&apiId=25450
        $message = array (
            'InvalidDayuStatus.Malformed' => '账户短信开通状态不正确',
            'InvalidSignName.Malformed' => '短信签名不正确或签名状态不正确',
            'InvalidTemplateCode.MalFormed' => '短信模板Code不正确或者模板状态不正确',
            'InvalidRecNum.Malformed' => '目标手机号不正确，单次发送数量不能超过100',
            'InvalidParamString.MalFormed' => '短信模板中变量不是json格式',
            'InvalidParamStringTemplate.Malformed' => '短信模板中变量与模板内容不匹配',
            'InvalidSendSms' => '触发业务流控',
            'InvalidDayu.Malformed' => '变量不能是url，可以将变量固化在模板中'
        );
        if (isset ( $message [$status] )) {
            return $message [$status];
        }
        return $status;
    }


    private function getSmsConfig($oid)
    {
         $apiInfo = Db::name('verificationcode')
            ->where('oid',$oid)
            ->where('types',1)
            ->find();
         return $apiInfo;
    }





    /**
     *腾讯云短信发送
     *
     */
    private function qcloudsmscode($oid,$apiinfo, $number)
    {
        $code = rand(100000,999999);
        //重新拼接模板内容
        $param = $apiinfo['param'];
        $param = str_replace('{'.$apiinfo['codename'].'}',$code,$param);
        $param = str_replace('{'.$apiinfo['timename'].'}',$apiinfo['time'],$param );
        $param = '【'.$apiinfo['signname'].'】'.$param;


        //引入腾讯短信SDK
        Loader::import('Qcloud.SmsSender');
        $singleSender = new \Qcloud\Sms\SmsSingleSender($apiinfo['appid'], $apiinfo['appkey']);

        $result = $singleSender->send($number,$param );
        $rsp = json_decode($result,true);
        //判断是否发送成功，发送成功则将验证码写入缓存。
        if($rsp['result']==0&$rsp['errmsg']=='OK'){
            cache('VerificationCode|oid='.$oid.'+number='.$number, $code, $apiinfo['time']*60);
            $res['errmsg'] = '发送成功！';
            $res['code'] = 1 ;
            return  $res;
        }elseif($rsp['result']==1025){
            $res['errmsg'] = '发送数量超过限制！';
            $res['code'] = 0;
            return  $res;
        }else{
            $res['error'] = $rsp;
            $res['errmsg'] = '验证码发送错误,请联系客服';
            $res['code'] = 0;
            return  $res;
        }
    }

}
